- Tandem aza-Michael-condensation-aldol cyclization reaction: approach to the construction of DE synthon of (?-camptothecin.
[作者:Chavan, Subhash P.;Dhawane, Abasaheb N.;Kalkote, Uttam R.;,期刊:SYNLETT, 页码:2781-2784 , 文章类型: 研究论文,,卷期:2008年-18]
- An efficient synthesis of the DE ring of camptothecin, employing a Reformatsky and a tandem 1-pot, 3-step transformation involving aza-Michael reaction, condensation with ClOCCH2CO2Et followed by intramol. aldol reaction...
- Expeditious syntheses of (?-allo-sedamine and (?-allo-lobeline via a combination of aza-Sakurai-Hosomi and hydroformylation reactions.
[作者:Spangenberg, Thomas;Airiau, Etienne;Thuong, Mathieu Bui The;Donnard, Morgan;Billet, Manuella;Mann, Andre;,期刊:SYNLETT, 页码:2859-2863 , 文章类型: 研究论文,,卷期:2008年-18]
- hydroformylation is reported.
- An efficient one-pot synthetic method for 2,4-disubstituted 7-arylpyrido[4,3-d]pyrimidines from 2,4-disubstituted 6-(arylethynyl)pyrimidine-5-carbaldehydes and tert-butylamine.
[作者:Cikotiene, Inga;Morkunas, Marius;Rudys, Simonas;Buksnaitiene, Rita;Brukstus, Algirdas;,期刊:SYNLETT, 页码:2799-2802 , 文章类型: 研究论文,,卷期:2008年-18]
- Unexpected thermal cyclization of 2,4-disubstituted 6-(arylethynyl)pyrimidine-5-carbaldehydes with tert-butylamine proceeded to give 2,4-disubstituted 7-arylpyrido[4,3-d]pyrimidines in good yields in the absence of any c...
- The first synthesis of 2,2':5',2''-terthiazole.
[作者:Kurata, Hiroyuki;Takakuwa, Hideki;Matsumoto, Kouzou;Kawase, Takeshi;Oda, Masaji;,期刊:SYNLETT, 页码:2882-2884 , 文章类型: 研究论文,,卷期:2008年-18]
- prepd. by Cu-mediated oxidative coupling of 2-lithiothiazole. The yield was improved in the presence of equimolar 2,2'-bithiazole. The 5,5''-positions were cleanly lithiated by LiN(CHMe2)2, which demonstrates its poten...
- Azide-mediated detosylation of N-tosylpyrroloiminoquinones and N-tosylindole-4,7-quinones.
[作者:Patel, Swayamprabha P.;Nadkarni, Dwayaja H.;Murugesan, Srinivasan;King, Jason R.;Velu, Sadanandan E.;,期刊:SYNLETT, 页码:2864-2868 , 文章类型: 研究论文,,卷期:2008年-18]
- The utility of NaN3 as a reagent for the detosylation of N-tosylpyrroloiminoquinones and N-tosylindole-4,7-quinones is described. The NaN3-mediated detosylation is carried out in polar aprotic solvents such as DMF and D...
- Exploring substrate scope of Shi-type epoxidations.
[作者:Nieto, Natalia;Munslow, Ian J.;Fernandez-Perez, Hector;Vidal-Ferran, Anton;,期刊:SYNLETT, 页码:2856-2858 , 文章类型: 研究论文,,卷期:2008年-18]
- Enantioselective epoxidns. of alkenes were achieved using a Shi-type carbohydrate-derived hydrate and Oxone. The chiral platform provided by the catalyst tolerates a wide range of substituents providing high yields and ...
- Zwitterionic iodonium compounds: useful tools in organic synthesis.
[作者:Malamidou-Xenikaki, Elizabeth;Spyroudis, Spyros;,期刊:SYNLETT, 页码:2725-2740 , 文章类型: 研究论文,,卷期:2008年-18]
- interesting structures. This account focuses on the synthetic applications of iodonium phenolates, ylides of hydroxycoumarins, and, mainly, ylides of hydroxyquinones.
- Cross-metathesis of chiral N-tert-butylsulfinyl homoallylamines: application to the enantioselective synthesis of naturally occurring 2,6-cis-disubstituted piperidines.
[作者:Gonzalez-Gomez, Jose C.;Foubelo, Francisco;Yus, Miguel;,期刊:SYNLETT, 页码:2777-2780 , 文章类型: 研究论文,,卷期:2008年-18]
- The synthesis of the piperidine alkaloids (+)-dihydropinidine, (+)-isosolenopsin, (+)-isosolenopsin A, and (2R,6R)-6-methylpipecolate, based on cross-metathesis of chiral N-tert-butylsulfinyl homoallylamines with Me viny...
- Efficient chemoenzymatic synthesis of phenylacetylrinvanil: an ultrapotent capsaicinoid.
[作者:Castillo, Edmundo;Regla, Ignacio;Demare, Patricia;Luviano-Jardon, Axel;Lopez-Munguia, Agustin;,期刊:SYNLETT, 页码:2869-2873 , 文章类型: 研究论文,,卷期:2008年-18]
- The straightforward synthesis of (phenylacetyl)rinvanyl (PhAR), an ultrapotent capsaicinoid is described. The process starts with the quant. synthesis of Me ricinoleate (MeRic) by castor oil methanolysis. Afterwards, tw...
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